GreatVent (Hwashow Industry) is a leading professional manufacturer and exporter specializing in high-quality HVAC parts, industrial adhesive tapes, and hardware solutions.

With over 15 years of industry experience since 2006, GreatVent is committed to the "Quality First" route. We never sacrifice product integrity for profit, which has earned us a high reputation in global markets including the US, Canada, Europe, Middle East, Australia, and New Zealand.

Our Core HVAC & Ventilation Product Line:

• Duct Systems: Duct Flange Clamps, Duct Flange Corners, and Flexible Duct Connectors.

• Industrial Adhesive Tapes: Aluminum Foil Tape, Aluminum FSK (Foil/Scrim/Kraft) Tape, Aluminum Glass Cloth Tape, EVA Foam Tape, and PVC Pipe Wrapping Tape.

• Support Hardware: Heavy-duty Beam Clamps for threaded rods.

We provide reliable, timely delivery and precision-engineered products that meet your project needs beyond expectations. Partner with GreatVent for durable ventilation solutions and professional-grade industrial components.

Featured Product Categories

Precision-engineered industrial components designed for durability. As a leading supplier, GreatVent provides high-performance solutions across HVAC, adhesive technologies, and heavy-duty hardware to meet the most demanding global standards.

HVAC Duct Accessories

Precision-engineered ventilation solutions specializing in heavy-duty duct flange G clamps, reinforced flange corners, and premium flexible duct connectors, etc. Built for structural integrity and easy installation, our HVAC accessories are designed to meet the most demanding industrial standards for airtight performance.

Industrial Adhesive Tapes

Professional-grade adhesive solutions engineered for high-performance sealing and insulation. From superior thermal-reflective aluminum foils to heavy-duty pipe protection, our tapes are designed to ensure long-lasting adhesion and environmental resistance in extreme conditions.

GreatVent is a reliable supplier of pressure sensitive self-adhesive tapes, providing a broad range of single and double-sided adhesive tapes coated with:

• Acrylic solvent and water-based adhesives

• Natural and synthetic rubber adhesives

• Silicone adhesives

GreatVent offers competitive pricing on superior products and a high level of customer service:

• Custom widths and lengths to meet your specific needs

• Drop-shipments to minimize your freight expense

• Private labeling at no additional charge on most products

Check out our product offering – you will be amazed by all the tapes we carry!

GreatVent is your source for beam clamps, backed by a team that stands by you as much as the product. We have stuck to our belief in developing quality products, holding ourselves to the highest standards.

GreatVent Core Values & The Way We Serve

PEOPLE

Our #1 core value are the people we work with and those we serve.

We value our people, encourage their development and reward their performance.

For our customer, we hold ourselves personally accountable for delivering the highest quality products, intelligent pricing while super serving their needs.

INTEGRITY

We operate honestly, honorably and fairly at all times.

PASSION

We are passionate about what we do and how we operate.

We are eager, willing and able to deliver on all of our customers requirements by utilizing the most bold and innovative methods.

We strive to remain grateful and humble.